PROBLEM TO BE SOLVED: To facilitate the entrance of seeds to a deep hole 7 in a seeding device capable of positioning the upper part of a roller 3 having many deep holes 7 into which the seeds can fall on the outer periphery at the position facing toward the interior of a seed hopper 5 to fill each of the deep holes 7 with the seeds, and dropping the seeds from the deep holes when each of the deep holes comes to the lower part of the roller according to the rotation of the roller. SOLUTION: The angleθfrom the horizontal face 12 passing the rotational center of the roller 3 to the position at which the deep hole 7 faces to the interior of the hopper 5 at first is regulated so as to be 35 deg..
